Datasheet

AD9540
Rev. A | Page 26 of 32
Register
Name
(Serial
Address)
Bit
Range Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Default
Value/
Profile
[63:56] Open
1
Phase Offset Word 6 (POW6) [13:8] 0x00
[55:48] Phase Offset Word 6 (POW6) [7:0] 0x00
[47:40] Frequency Tuning Word 6 (FTW6) [47:40] 0x00
[39:32] Frequency Tuning Word 6 (FTW6) [39:32] 0x00
[31:24] Frequency Tuning Word 6 (FTW6) [31:24] 0x00
[23:16] Frequency Tuning Word 6 (FTW6) [23:16] 0x00
[15:8] Frequency Tuning Word 6 (FTW6) [15:8] 0x00
Profile
Control
Register 6
(PCR6)
(0x0C)
[7:0] Frequency Tuning Word 6 (FTW6) [7:0] 0x00
[63:56] Open
1
Phase Offset Word 7 (POW7) [13:8] 0x00
[55:48] Phase Offset Word 7 (POW7) [7:0] 0x00
[47:40] Frequency Tuning Word 7 (FTW7) [47:40] 0x00
[39:32] Frequency Tuning Word 7 (FTW7) [39:32] 0x00
[31:24] Frequency Tuning Word 7 (FTW7) [31:24] 0x00
[23:16] Frequency Tuning Word 7 (FTW7) [23:16] 0x00
[15:8] Frequency Tuning Word 7 (FTW7) [15:8] 0x00
Profile
Control
Register 7
(PCR7)
(0x0D)
[7:0] Frequency Tuning Word 7 (FTW7) [7:0] 0x00
1
In all cases, Open bits must be written to 0.